The use of photogrammetry in assessing the stability of escarpment of a ditch draining a forest road
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| Natura: | Recurso digital |
| Lingua: | inglese |
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2025
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| _version_ | 1866901349795364864 |
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| author | Gołąb, Janusz Borowski, Łukasz |
| author_facet | Gołąb, Janusz Borowski, Łukasz |
| contents | <p>The stability of slopes and ditch bottoms, as elements of the road, is an important factor in keeping the road drainage system operational. This paper presents the practical application of close−range photogrammetry, GIS analysis on rasters, and geotechnical studies to determine the stability of a sample roadside ditch slope over a three−year period from 2019. The studied object is located in the Limanowa Forest District (Poland, Kostrza Forestry, section 22a), and consists modernized road (in 2019) with open roadside ditches. The formation of natural landslides of the originally very steep slope and deformation of the ditch grade line, including a landslide of the slope, was found. The observed internal friction angles in the soils of the landslide slope are very close to the average values in similar soils. The soil slid into the ditch and raised its bottom by more than 0.60 meters in places, resulting in the loss of patency of the ditch and severely limiting the functioning of this element of road drainage. However, part of the slope remained in its original, very high gradients and did not change its geometry.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_26202_sylwan_2024070 |
| institution | Zenodo |
| language | eng |
| publishDate | 2025 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | The use of photogrammetry in assessing the stability of escarpment of a ditch draining a forest road Gołąb, Janusz Borowski, Łukasz close−range photogrammetry escarpment plane stability excavation escarpment Landslide low altitude drone flight <p>The stability of slopes and ditch bottoms, as elements of the road, is an important factor in keeping the road drainage system operational. This paper presents the practical application of close−range photogrammetry, GIS analysis on rasters, and geotechnical studies to determine the stability of a sample roadside ditch slope over a three−year period from 2019. The studied object is located in the Limanowa Forest District (Poland, Kostrza Forestry, section 22a), and consists modernized road (in 2019) with open roadside ditches. The formation of natural landslides of the originally very steep slope and deformation of the ditch grade line, including a landslide of the slope, was found. The observed internal friction angles in the soils of the landslide slope are very close to the average values in similar soils. The soil slid into the ditch and raised its bottom by more than 0.60 meters in places, resulting in the loss of patency of the ditch and severely limiting the functioning of this element of road drainage. However, part of the slope remained in its original, very high gradients and did not change its geometry.</p> |
| title | The use of photogrammetry in assessing the stability of escarpment of a ditch draining a forest road |
| topic | close−range photogrammetry escarpment plane stability excavation escarpment Landslide low altitude drone flight |
| url | https://doi.org/10.26202/sylwan.2024070 |